E-g-r.

barkster1971 · Feb 20th, 2012, 19:46

My Uncle's 940 (NA) has EGR. Apparently the head has 4 extra ports on the exhaust side for the EGR system? I thought it was purely the manifolds that had the extra pipe work? I have a 530 head that came off my 940 that would be useful to swap as the HG has gone (300k!)
Has anybody deleted the EGR system entirely (blanked off etc) and did the ECU like it?
I thought the cylinder heads were pretty much the same ( a 530 is a 530?). Mine currently has an early 80's 531 head from a 760 that popped straight on

Thoughts please.

minesa240x3 · Feb 20th, 2012, 19:57

Not sure about the extra ports on the exhaust side.I was going to put a 531 head from a B reg 240 on a 940 2.0L turbo which had a 531 head.But the head from the 240 had extra ports for waterways(preheaters) and obviousely the valves would have been softer and maybe the valve seats.I'll see if I can find the pictures of both.
Regards Brian.

gpl1968 · Feb 20th, 2012, 22:20

From what I have seen, the egr has a single pipe running from the exhaust manifold. The head is standard.
The only issue with deleting the egr is that the ecu expects the egr to be there (if that makes sense).
If it caused problems, you could change to a non-egr ecu (egr was deleted after 1996 when better catalysts made it redundant).

Feb 20th, 2012, 19:46	#1
barkster1971 VOC Member Last Online: Yesterday 15:21 Join Date: Jun 2009 Location: Swineshead/Salford	E-g-r. My Uncle's 940 (NA) has EGR. Apparently the head has 4 extra ports on the exhaust side for the EGR system? I thought it was purely the manifolds that had the extra pipe work? I have a 530 head that came off my 940 that would be useful to swap as the HG has gone (300k!) Has anybody deleted the EGR system entirely (blanked off etc) and did the ECU like it? I thought the cylinder heads were pretty much the same ( a 530 is a 530?). Mine currently has an early 80's 531 head from a 760 that popped straight on Thoughts please. __________________ new engine! new car!

Feb 20th, 2012, 22:20	#3
gpl1968 VOC Member Last Online: May 5th, 2024 23:42 Join Date: Jun 2007 Location: Wirral View Photos By: gpl1968	From what I have seen, the egr has a single pipe running from the exhaust manifold. The head is standard. The only issue with deleting the egr is that the ecu expects the egr to be there (if that makes sense). If it caused problems, you could change to a non-egr ecu (egr was deleted after 1996 when better catalysts made it redundant). __________________ Gavin 1997 945 CD (B230FK) [RIP: 1991 945 Turbo (B230FT) 1992 945 SE turbo (B200FT)]

Feb 20th, 2012, 19:57	#2
minesa240x3 loyalty Last Online: Jul 28th, 2022 19:16 Join Date: May 2006 Location: faraway View Photos By: minesa240x3	Not sure about the extra ports on the exhaust side.I was going to put a 531 head from a B reg 240 on a 940 2.0L turbo which had a 531 head.But the head from the 240 had extra ports for waterways(preheaters) and obviousely the valves would have been softer and maybe the valve seats.I'll see if I can find the pictures of both. Regards Brian.

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